Re: [RFT PATCH] Input: sur40 - fix DMA handling in video capture
From: kernel test robot
Date: Thu Oct 08 2026 - 00:17:44 EST
Hi Karl,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 2c3418fffa9d037b2038a6db48be63f9e2291806]
url: https://github.com/intel-lab-lkp/linux/commits/Karl-Mehltretter/Input-sur40-fix-DMA-handling-in-video-capture/20261007-074430
base: 2c3418fffa9d037b2038a6db48be63f9e2291806
patch link: https://lore.kernel.org/r/20261007054430.40155-1-kmehltretter%40gmail.com
patch subject: [RFT PATCH] Input: sur40 - fix DMA handling in video capture
config: arm64-randconfig-1003-20261007 (https://download.01.org/0day-ci/archive/20261008/202610081252.0UqYKs2X-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610081252.0UqYKs2X-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610081252.0UqYKs2X-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>, old ones prefixed by <<):
>> WARNING: modpost: drivers/input/touchscreen/sur40.ko: module uses symbol 'dma_buf_begin_cpu_access' from namespace 'DMA_BUF', but does not import it.
>> WARNING: modpost: drivers/input/touchscreen/sur40.ko: module uses symbol 'dma_buf_end_cpu_access' from namespace 'DMA_BUF', but does not import it.
--
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